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Synopsis

Izayoi Sakamaki, Asuka Kudou, and You Kasukabe have tremendous psychic powers and are bored with the regular world. An envelope arrives for each person, and when each opens their envelope, they are stunned to see the scenery around them change to a world they had never encountered before. They've been summoned by the Black Rabbit to help the community "No Name" to overthrow the Devil King.

This was a series that I was really interested in watching, but never really got around to it until the summer of 2014. The title by itself was interesting enough, but after I had read the plot summary and saw that it had received good reviews, I decided to watch this series. I enjoyed watching it so much that I decided to re-watch it last week, and while I didn’t get the same amount of enjoyment from the first time I watched it, Problem Children was still a really fun series to watch.

Story:

Problem Children Are Coming From Another World, Aren’t They (Problem Children)’s story revolves around three humans with extraordinary abilities. These abilities make everyday life extremely boring or unfulfilling for these individuals. That was until, one day, they each received a mysterious letter that said that if they gave up all of their friends, family, and worldly possessions, that they would have an opportunity to test the limits of their powers. They are then transported to the world of Little Garden, a world inhabited by several different types of creatures, and run by a series of supernatural events called “Gift Games”. The three humans run into Black Rabbit, the being who summoned them to this newfound world. They quickly discover that Little Garden isn’t just fun and games. Little Garden is the home of several different communities, each having it’s own name, flag, and status in the world. Black Rabbit is a part of the community known as the “No Names” because all of their status was stolen from them during a Gift Game against a demon lord. She brought these three problem children to Little Garden hoping that they would join the “No Names” in their quest to recapture their lost status.

While I enjoyed Problem Children’s story, it definitely had its flaws. The first issue I have the story is how many things weren’t fully explained or explored. The biggest question I have about the story is about the world of Little Garden itself. You’re not really given much information about Little Garden other than the fact that it exists, and while they do mention something about a “Parallel World Intersection Theory” it is never explained. Little Garden also seems to have elements from several different works of literature and religions. It showcases characters and tales from Shinto to the Brothers Grimm, and they never explain how any of this works. Also, Little Garden is massive, it was estimated to be about the size of the sun, and so much of the world isn’t shown or explained to us. They mention that there are several communities and races within the Little Garden, but we don’t get to see a whole lot of them. Which is definitely a shame, because the world itself is extremely interesting and I would’ve loved to learn more about it. The final issue I have with the series involves one the series’ main plot points. That being how exactly did the demon lords forced the now “No Names”, and others like them, into a gift game where all of their status was on the line. It’s another thing that was never explained in the series.

The story also doesn’t come to a very satisfying conclusion. While the last episode does wrap up the events of the conflict that was taking place, the journey of the “No Names” was far from over. The characters had even set goals that they wanted to accomplish earlier in the series, and we never got to see those fulfilled. Overall, even though it was a good ending to the arc they were in, it wasn’t a good ending for the series, so lets hope they decided to make a second season.

As for the OVA, extra fanservice aside, it just felt like more of the same, which was a good thing. But, it just served as another reminder that the story isn’t over. It’s never specifies whether the events in the OVA take place during or after the events of the first season, but either way it only makes you want more.

Animation:

There really isn’t a whole lot to say about the animation other than that it’s good. Everything in the series is animated really well. The character models, background scenery, and fights scenes are all done really well. While there is nothing spectacular here, it is definitely good, quality animation.

Sound:

Problem Children has a vast and varied soundtrack with songs that can compliment any scene in the series. If the scene is tense and a little creepy, a tense and eerie song will compliment it. If the scene is lighthearted and upbeat, the soundtrack provides us with a lighthearted and upbeat song to compliment this as well. The soundtrack features songs that have a good amount repeatability, and is complimented by a solid opening and incredibly catchy ending.

Characters:

This series stars four main characters, the three “Problem Children” You Kasukabe, Asuka Kudou, and Izayoi Sakamaki, and the person who summoned them to Little Garden, Black Rabbit. As mentioned earlier, all the three of the problem children have special abilities that made their lives boring or unfulfilling, which is why they were invited to Little Garden. During the course of the series, you’ll start to understand why each of the characters decided to come to Little Garden, and see them start of growing as characters. Initially, the characters might just seem like incredibly basic and one dimensional characters, but as the series progresses you’ll start seeing that there is more too them. That being said there really isn’t a massive amount of character development, especially for Black Rabbit and Izayoi. Those two characters are also the ones who we get the least amount of background information about.

All of the characters are likeable and enjoyable to watch. The characters deferent personalities worked well together and made their interaction entertaining to watch. For example, Black Rabbit is easily flustered, and even though the You, Asuka, and Izayoi are taking on the huge responsibility of rebuilding an entire community, they are still problem children. The are constantly doing things that Black Rabbit doesn’t approve of, and that creates some very funny moments during the series.

There are a decent amount of side characters in the series. For the most part, they are all given a decent amount of screen time, and at least a little background information.

Enjoyment:

I really enjoyed watching Problem Children Are Coming From Another World, Aren’t They?. The story was interesting, the animation and sound were really well done, and the characters were very likeable and enjoyable to watch. I’m really hoping for a second season so that I can see how the story ends.

Verdict and Breakdown:

Story: 3.6/5

Animation: 4/5

Sound: 4.3/5

Characters: 3.7/5

Enjoyment: 4.1/5

Verdict: 3.9/5

Problem Children Are Coming From Another World, Aren’t They? is a very good series that will keep you entertained from beginning to end.read more

Have you ever had one of those moments where after you finished watching an anime series, you got a feeling of “damn, I wish I had finished this sooner?” Or maybe, after you finished watching it, you thought, “this NEEDS a season 2”. Well, I'm sure most people who have one of those moments sometimes in their lives after finishing watching a certain series. It can be something based out of enjoyment, something fresh or unique that you never originally thought you'd encounter, or maybe just something that was just hell out of a right whether subjectively or objectively. Regardless though, this series known as Problem Children Are Coming From Another World, Aren't They sure hit one of those marks because I got one of those moments.

Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? (also just known as Mondaji for short) is an anime series adapted from the light novel of the same name. The series takes place in a fantasy world featuring four prominent characters. I have not read the LN version of this anime so I came into this with a fresh start. But from what I got was more than just a fresh start but rather a pleasurable experience.

To reiterate things, the majority of the series takes place in a fantasy world. More specifically though, it focuses on the “No Name” community, a place where there is trouble loose. It's up to our protagonists to help save their world after being invited by a flamboyant rabbit. Sounds strange right? This is obviously supported by the fact that the protagonists themselves are troublemakers. Take for example, Sakamaki Izayoi. He is portrayed as the badass and arrogant young boy. He does what he wants, when he wants, and how he wants. In general, he is a 'problem child'. His love for violence can be seen earlier on even from the pilot episode when he gets involved with some other kids. Yet behind that outer ulterior, we can see that Izayoi is a boy of intellect through his strategic thinking and ways of dealing with problems himself. At even one point, one of the main characters admits that “you really are smart” directly. Despite his arrogance though, Izayoi does seem to care about his comrades and dangerous events as he puts himself at risk. The way he expresses it though...not so much being the 'nice guy'.

That of course only makes up one third of the trouble making trio.

Among the group are also two young girls named Kudo Asuka and Kasukabe Yo. They seem to exist in opposite of personalities as Asuka seems to be play the role of a girl who has a more open personality while Kasukabe Yo maintains a more quiet posture. This is even evident through Asuka's ability where she is able to command others through speech. And of course, they join in the fun after the faithful day when they are asked to help with problems in the 'No Name' community. In fact, all three of these characters seems to be bored of their normal day lives and seek a bit of joy. There's no better place to do that in the 'No Name' community.

Speaking of which now, I almost forgot to introduce that certain bunny-eared girl. With fluffy ears, a shy personality, but a heart of determination, she invites the trouble makers to stop the trouble. So without further ado....let's introduce that Bunny Girl...Kurosagi! Literally translated as “Black Rabbit”, she is the girl who sets the plot and gives the problem children a little joy to their boring lives. Although portrayed as being 200+ years old (is this even true??), she has the personality of a normal girl and that is being easily embarrassed at certain situations and sometimes insecure about the events going around her. However, there is one thing that is for sure. She wants to overthrow the Demon Lords from her world who have been causing nothing more than trouble.

The series adapts many supernatural and fantasy themes through its setting. In fact, the world that the problem children ventures into is nothing like the world they once knew. There are mystical creatures like dragons, jack-o-lanterns, vampires, and everything we don't see in our modern day world. Despite the dangers some of the creatures pose, the problem children deals with them like another day in the park. In fact, I can safely say that their abilities are far too overpowered with some of them literally getting back up after being battered, shattered, and broken. Izayoi's “Code: Unknown” along with his psychic powers makes him one of the strongest characters in the series. Because of his confidence and strength being nearly unrivaled, no wonder he is often so bored with his life. Asuka's power to control others through words is also seen as a very dangerous and useful ability that extents to animals, humans, and even other gifts. Last, we have the shy girl Kasukabe who rules over the animal kingdom with her skill to communicate and gain their abilities. If you put the three together, it seems to almost like a dream team. However, this is not always the case as the group seems to have problems and ideologies between themselves.

On the other hand, there are many adversaries in the series ranging from vampire lords to aristocratic individuals who claims themselves as Gods. They set the premise of this series as being the ones causing the trouble and it's up to the problem children to stop them. Yet, there are many instances in which the show takes the wrong turn and make their encounter seem too eccentric. However at other cases, I find the politics and rivalries to be entertaining; more often times with Izayoi because of his personality and speeches.

While the series seems original, it does have a few issues. Personally, I found some of the jokes to be a bit too repetitive. This is especially true to our beloved little bunny-eared girl where she becomes the center of attention to lewd jokes. Although amusing to watch at occasions, it becomes old and repetitive. Additionally, the theme of traveling to another world to fight in competitions is not new. Series like Dog Days and Ixion Saga DT have taken such themes before and also performed similar stances. It's been done. The series' pilot episode also seems to be quite rushed with a lot of information thrown in at once rather than expanding them further. I guess this can be related to the issue with the length of the series. It's only 10 episodes so pushing it throughout each episode might of just been too much. Regardless these flaws though, it still makes its exciting point across.

In terms of visuals, the series sets itself with the fantasy themes. The Little Garden, the way Kurosaki is dressed, and the mystical creatures are all proof of this. Additionally, the various games themselves revolves around events that are magical. However, I do admit that the characters' designs are a bit too generic. For example, Kurosaki fits into the role of the typical bunny girl with her outfit. The rest of the world where most of the events take place have that fantasy feeling.

Regarding the soundtrack, the series makes excellent use of its scores. The soundtrack works well in general and often or not, it's fun to hear it balance out between exciting moments (the game competitions) and some of the more lighthearted times. The OP song, "Black † White" by Iori Nomizu, is very catchy with the way it presents itself with words like “bam!”, “1, 2, 3”, “black, white”, and other fun words being used. The ED song “To Be Continued?" by Kaori Sadohara gives the main characters a super flat deformed version of themselves and presents into in a fun way. (I'm looking at you Izayoi). It's pure fun to watch it to be honest. Do not skip that ED song.

Overall, this series is the golden egg for me in 2013 so far. Well, at least it's amusing and strange enough with its small cast of badass characters. Oh sure there is some fan service and dirty jokes here and there, but it overall maintains its themes well with the initial premise. In fact, most of the episodes sets with its intense atmosphere related to the games with the main characters each getting his or her own spotlights. And oh, how can we forget that badass Izayoi? The guy has both brains and the brawn that exists entirely opposite of the typical, wimpy, and indecisive male of a harem. So yes, this series was a surprise watch for me. It's only 10 episodes so why not give it a try?read more

"I'm bored. I'm so bored. If i could sell my boredom, i'm sure i could make a living." -Izayoi

Ever dreamed of being the most powerful human on earth? The ability of giving absolute orders to others, or maybe be able to interact with animals? I'm sure you all have. But, despite having these great powers, three teenagers (or we could say problem children) from different worlds and timelines felt bored. That is until someday they got a once in a lifetime chance to abandon their worlds and live in a dangerous, strange, yet fun and interesting world called "little garden" instead.

Story

Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? follows the story of three problem children with psychic powers -and a rabbit- in a strange world called Little Garden, a world in which you must win the so called 'gift games' to achieve higher reputation or authority of your 'community'.

The story itself is served in a rather fast paced way, so fast that even yourself might not catch up. Even so, it was never boring. There's always something new and unexpected every episode. Several myth such as gods from greek mythology, mystical creatures, magical spirits are presented in the story, eventhough they were modified a bit. Well, maybe a little more than a bit. The Jokes aren't something that could be forgotten. Personally, it got me laughing everytime and i just can't see it coming.

Character progression is something that is quite lacking in this anime. They're too overpowered from the start of the first episode to have a decent progression. But who cares when you could enjoy watching teens fighting gods and demons -and winning- with a little to no effort at all. You might see a bit of some developing interaction between the characters, but don't expect too much from it tough.

Graphics are quite stunning. Characters and backgrounds are drawn nicely. The colors are put beautifully. Animation seems wonderful too. Simply put, artwork and animation exceeded so well. It went all up my to my expectations, no, even higher. Such beautiful art is what present animes needs to have.

Given all that, sounds are nothing exceptional. The soundtrack of this anime (the OP and ED) are originally made for the anime, and we could say that they did quite a pretty good job. I'm not going to go too deep on the sounds, but i could say it really makes the mood. I kept singing it for while after watching it (which i rarely do). But i think what matters the most is music tastes. I don't know what you guys think so the judgement is all yours.

Final Words

10 episodes may not seem as much, but those 10 episodes that i watched really got me on a string. I enjoyed all those 24x10 minutes very much. I didn't regret those times i spent on watching at all. I even rewatched it. Why? Because, umm ,you know, ITS SO AWESOME. I hereby highly recommend this anime for everyone looking for a good time to waste on their screens. Trust me. Have faith in my words.

For the first time when I saw the poster of this anime, I thought that this was gonna be just another stupid stupid harem show, so I pass it immediately. How wrong was I back then. Today, after watching 10 whole episode consecutively, I must say, this is one of the most entertaining animes I have watched recently.

Recent animes have always been giving us high quality artwork and animation. Mondaiji Tachi is no exception, the art was very good, but not really exceptional. We can see this type of art in a lot of other animes. Characters design was good, but too generic, as some characters look just like some other animes' characters that I have seen before. Action scenes is realy well executed, smooth and solid.

I must say I'm really impressed with this show's music. I am someone who almost always skip OP and ED song, but this show's OP and ED keep making me want to listen to it. The OP song is quite catching, while the ED is just freaking adorable ( the song sounds so cute with our 4 main characters in chibi mode dancing :">). Voice acting was excellent, as it clearly shows us the personality of the characters, especially our main protagonist-Izayoi.

The plot and setting of this anime is nothing new: our heroes get invited into a wonderland and join a good but pathetic group and fight other stronger groups to go up in the world. A typical plot we have already seen a lot, it's cliché and kinda predictable. But sometimes, if use right, cliché can be rather entertaining.This anime show us an amazing world; it give us a fast-paced story with awesome action, that's all it need to appeal to the viewer.

The characters are interesting, especially the 3 protagonists. Tired of main character that took forever to become strong? Well, Mondaiji tachi give us 3 overpowered, badass protagonist. Of course, overpowered characters are usually a bad thing for the story (due to lack of characters development as well as predictable outcome of the story). However, for an anime that only has 10 episodes, it is definitely a good thing. The viewer can quickly get attach to the characters, and their overpower-ness does make the show a lot easier and entertaining to watch. The show also has a wide range of side characters, and they are all pretty much likable.

For 10 episode, we cannot expect much of characters development. However, our characters have clearly show us their strong and unique personality as well as their back stories throughout the whole show.

This show does look like a harem anime, but it is not. If you expect some kind of romance, I'm sorry to disappoint you.

Overall, Mondaiji tachi is not what I would call a masterpiece, but it really is indeed an entertaining show. If you have time, why not give it a try, it only has 10 episodes. I'm sure that it won't disappoint you.
I really hope that this show would have a 2nd season.read more

Recommendations

- Both involve cool/ badass/ OP main characters who find their world boring.
- Both are magic, fantasy anime.
- Both anime involve characters who are thrown into another world.
- Both are visually impressive.
- Most importantly, both have a main concept which revolves around playing games.

-Both from the modern world, then teleport to the fantasy world
-Both have main characters that got awesome power acquired in the human world.
-Both have a big boobs chick to support them around the fantasy world.
-Both have separated power/land and different races (elf, etc.) in the fantasy world.

Taking place in a fantasy world, both series focuses on conquest and gameplay with a small yet dynamic cast of characters. In that world are rules, races, and concepts that defies the law of nature. The main male protagonists are similar with their intellect and personality. Similarly, the game themselves also involves intellectual play and strategies in order to achieve victory. Throughout both series, there is humor, gags, and gimmicks that pertains to its premise. I recommend both series for anyone looking for game ethnics/tropes that takes place in a fantasy/virtual realm.

•Both anime are focused on the main protagonists of the show going to another world, far superior than their own, where everything is settled through "games."
•Both protagonists have grown bored of the human world they live in because they are far elite, and it is of "no fun" to them anymore.
•Both male protagonists have the confident, less cocky attitude that is not dislikable, having the "I will obtain and conquer everything that stands in my way" through any means necessary.
•The protagonists transport to a different world because their old world isn;t any fun, and they play "games." I'm pretty sure you will like one if you like the other.

Main characters are thrown into a fantasy world, where everything is determined by "games", in which players play according to preset rules. Fortunately, our main characters are extremely proficient in playing these games.

The main characters are superior in the world and go to another world. That other world is based on a system in which games are played to win stuff. The main characters proceed to play games and win stuff.

Those two share a very similar setting. The worlds, where the stories are happening are almost the same.
Both are about kids with special abilities, who try to safe something in the world, the got sucked in.
Also, there is a lot of funny moments and ecchi appearing in both series.

In both animes bored people are invited into another world where everything is decided by games.
In both animes there is this fantasy world the are send to.
In both animes the protaganists have cool abilitys .
In both animes the protaganists are overpowered in there own ways.
In both animes have same concept.
In both animes the protaganists are bored in there own world.

Both feature overpowered main male characters and have main characters who are superior in the virtual world. Both are lighthearted fantasy, include people being trapped in a virtual world, and have beautiful and picturesque art. Both involve the concept of playing games in order to survive or have a better quality of life. Conclusion: Being set in the same world, and looking at the synopsis, it is evident they are extremely similar to each other.

Similar in terms of the story concept, the main characters are dragged into a world where communities challenge each other and decide everything by playing games. Similar to how NGNL has the different races battle each other by playing games.

- Both involve cool/ badass/ OP main characters who find their world boring.
- Both are magic, fantasy anime.
- Both anime involve characters who are thrown into another world.
- Most importantly, both have a main concept which revolves around playing games.

Both of the anime have characters that gets transproted to a world that suits them better than the world they originally came from
Both worlds have a rule system where you have to participate in games.

Both shows involve people who are bored of their own world and end up in a whole new world where games are the way to make decisions/challenge.
Both Protagonists are extremely smart and OP.
Both shows pretty much have the exact same plot with some minor differences.

The characters are brought to another world not of their own will, and in concrete order. Main goal, but rather the main rule that prevails in both the anime is a battle with "the game". In both series, characters just by gaming settle disputes and that it seeks such, or other benefits. Characters are not annoying, and the addition of the same series is a dose of humor interspersed with serious moments. There is no point in continuing, you just have to see. If you liked Mondaji then NGNL you will like too

Both involve cool/ badass/ OP main characters who find their world boring.
- Both are magic, fantasy anime.
- Both anime involve characters who are thrown into another world.
- Both are visually impressive.
- Most importantly, both have a main concept which revolves around playing games.

conflicts solved through "Games" (one with actual games, one with a type of fights)
Characters summoned to a new world
~~Characters hated their other world
~~Characters are very OP
~~Main character is surrounded by girls

In both series the human protagonists are summoned to a new world with the promise of a more interesting life. In this new world there are many different races (elves, demons etc) and everything, from individual matters to territory and personal rights, can be decided by games.

Both anime have genius people who are from earth with powerful abilities. They go into a fantasy world to help the weaker communities become stronger. Both have harems and the main guy is also a perv. There are also games that are being challenged. The characters are also very cool and funny. Both are awesome anime!

Main characters in both anime are seriously overpowered and smart and feel out of place in their respective worlds, but in NGNL the MC's have no physical ability while the other has complete physical prowess.

Both have a similar concept of being thrown into unknown worlds with the same system where conflicts are solved by games but with preset rules to follow.

- Both involve cool/ badass/ OP main characters who find their world boring.
- Both are magic, fantasy anime.
- Both anime involve characters who are thrown into another world.
- Both are visually impressive.
- Most importantly, both have a main concept which revolves around playing games.

both series involve the main characters coming from another world
in both series the main characters are summon to the world
in both series the world they are summon to involve having to play games
in order to survive

I am not recommending No Game No Life to people who have seen Problem Children, instead i am only recommending that if you have seen No Game No Life, to please please please watch problem Children. The similarities come on all fronts, accept Problem Children just does it better, it is my favorite anime and a great watch

- They are bored in the real world and they are brought to a different world which things are settle by games.
- Both Anime have similar goals where in no game no life, their goal is to challenge the god while Mondaiji want to become the top guild/clan
- Happen in a fantasy world
- If I would to rate the similarity, Upon 5 star i give a 4 star.

Both are about people being sent to another world by a god-like person, and most problems are solved by games/ challenges, the main character always comes through in the end, and the main male character slowly builds a harem.

In these animes you'll realize that you find a lot of things similar compared to the other. In both of these animes our main protagonist finds themselves within a world where everything is solved by playing games and which in their previously life, isn't boring. As time develops in both animes the protagonist realizes that they grew attached to the new world rather then their old world.

In the end, you see that if you enjoyed No Game No Life you'll definitely find yourself enjoying this one.

The first thing that came into my mind after seeing Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? was dog days..Both are fantasy anime in which the hero is invited to another world for participating in a game.

both MC have blond hair
both MC's actually go out and OMIGOD...have fun. they actually look forward to stuff happening around them
both are physically talented and pretty bad@$$
both anime involves going into a fantasy world.
VERY dynamic character designs.
both are....underrated?
the worlds they go to have a different way of handling conflicts, or rather...wars.
both somehow feel like their referencing Touhou.

Mondaiji-tachi is like a badass version of Dog Days! In both series, humans are summoned to a fantasy world where they are asked to help take part in various events held within the world. I recommend both if you enjoy fantasy series that have some fighting and part human/part animal characters!

Dog Days is very similar. They both have male leads who are strong. They both have male leads that want to have fun along with companions that are girls. They both have set battles and winner gets something whether it's useful to them or not. Usually at the end something big is happening and the male lead must do something with the help of his friends. The male leads also get summoned to a different world
The differences in Dog Days is that it has more of a romantic setting at the end, while Mondiji " doesn't. But over all both are rather enjoyable.

How does it feel like when you have been transported to fantasy world and just go there to have fun? In the story, The main characters in here were sent by an anonymous request by a person and transported in a fantasy world, filled with different species. Although consider that they have a fun time, a conflict issues about this fantasy world and basically starts a war between the main characters and different groups of people.

Dog days is a lighthearted tone, filled with moe characters, and is based on competition. Problem with Children, features a much more mature theme, that monsters were used in battle, and very powerful character.

When i was watching Mondaiji-tachi ga Isekai kara Kuru Sou
Desu yo? I was reminded by a series which was similar to it and it's called "Dog Days" Why? Because both Series have a Blonde Male MC invited to a "Magical World" which involves a game. A game that involves fighting and winning for your allies. Both MC's are badasses too ^_^. Although Dog Days has less Action than Mondaiji because dog days only fights in a "real" game. Lol no blood and such.

Both are about an overpowered protagonist that finds himself in another world. In SAO, the protagonist is stuck in the other world, while in Mondaiji, the protagonist is bored and stays in the world and somehow has superpowers.

Both anime give off a similar view, while SAO is about a boy wearing a gear to another world, Mondaiji is about three people entering another dimension through a letter. Both male main protagonists are OP and strong.

Do you like anime with overly-powerful male leads who are unbeatable and a plot where you never need to worry about whether the main characters will make it out okay as it always pulls something out to save the day for some reason (no offense)? Well then, you'll like Mondaiji-tachi if you liked SAO and the other way around. Oh, and they both have people trapped in another world.

- main character enters another world
- Overpowered main character
- revolves around some sort of game
-Outstanding animations, shows what 2012 animations can do
-Similar atmosphere at times, altho the first half of SaO is a lot darker, second half brings a more similar feel to Mondaiji]
-similar characters, altho i personallt liked the characters in Mondaiji better

Both series involve a group of characters in a fantasy world where there is comedy, drama, and action. The characters themselves possesses supernatural powers that allow them to fight par-to-par with various adversaries.

Both series' main protagonists is strong, independent, and is a boss.

Both series have various competitions that push various characters to be their best.

Both main characters travel to different worlds and are strong as fuck. Both main characters are badasses with good powers and a sense of humor. Both of these anime are good to watch, though Hagure is much more ecchi.

The most obvious similarities being the main characters being badasses, arrogant, collected, not retarded, and funny. Both series involve alternate worlds, do not delve too much in becoming a harem, and involve a degree of fanservice (Hagure Yuusha no Estetica being an ecchi, so you will see a lot more).

Both main characters have some god-defying powers and throw crazy punches. They both have strength that all other pussy main characters dont have, starting off strong and staying consistent throughout the anime

Similarities:
Communities in Mondaiji - guilds in fairy tail
Male leads in both are OP and value their friends
Both have really well done combat with big craters and explosions
Both have a cheerful environment that is not super serious
Dissimilarities:
In Mondaiji MC does not get knocked down, where as in fairy tail the MC typically powers up after he starts losing
Mondaiji is much shorter then fairy tail